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6 <title>Petter Reinholdtsen: Broken hard link handling with sshfs</title>
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14 <h1>
15 <a href="http://people.skolelinux.org/pere/blog/">Petter Reinholdtsen</a>
16
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18
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21
22 <div class="entry">
23 <div class="title">Broken hard link handling with sshfs</div>
24 <div class="date">30th August 2010</div>
25 <div class="body"><p>Just got an email from Tobias Gruetzmacher as a followup on my
26 <a href="http://people.skolelinux.org/pere/blog/Broken_umask_handling_with_sshfs.html">previous
27 post about sshfs</a>. He reported another problem with sshfs. It
28 fail to handle hard links properly. A simple way to spot this is to
29 look at the . and .. entries in the directory tree. These should have
30 a link count >1, but on sshfs the count is 1. I just tested to see
31 what happen when trying to hardlink, and this fail as well:</p>
32
33 <pre>
34 % ln foo bar
35 ln: creating hard link `bar' => `foo': Function not implemented
36 %
37 </pre>
38
39 <p>I have not yet found time to implement a test for this in my file
40 system test code, but believe having working hard links is useful to
41 avoid surprised unix programs. Not as useful as working file locking
42 and symlinks, which are required to get a working desktop, but useful
43 nevertheless. :)</p>
44
45 <p>The latest version of the file system test code is available via
46 git from
47 <a href="http://github.com/gebi/fs-test">http://github.com/gebi/fs-test</a></p>
48 </div>
49
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